1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011-2014 Nathan Whitehorn
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/sysctl.h>
34 #include <sys/limits.h>
35 #include <sys/conf.h>
36 #include <sys/cons.h>
37 #include <sys/fbio.h>
38
39 #include <vm/vm.h>
40 #include <vm/pmap.h>
41
42 #include <machine/platform.h>
43
44 #include <dev/ofw/openfirm.h>
45 #include <dev/vt/vt.h>
46 #include <dev/vt/hw/fb/vt_fb.h>
47 #include <dev/vt/colors/vt_termcolors.h>
48
49 #include "ps3-hvcall.h"
50
51 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET 0x0100
52 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x0101
53 #define L1GPU_DISPLAY_SYNC_HSYNC 1
54 #define L1GPU_DISPLAY_SYNC_VSYNC 2
55 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x0102
56
57 static vd_init_t ps3fb_init;
58 static vd_probe_t ps3fb_probe;
59 void ps3fb_remap(void);
60
61 struct ps3fb_softc {
62 struct fb_info fb_info;
63
64 uint64_t sc_fbhandle;
65 uint64_t sc_fbcontext;
66 uint64_t sc_dma_control;
67 uint64_t sc_driver_info;
68 uint64_t sc_reports;
69 uint64_t sc_reports_size;
70 };
71
72 static struct vt_driver vt_ps3fb_driver = {
73 .vd_name = "ps3fb",
74 .vd_probe = ps3fb_probe,
75 .vd_init = ps3fb_init,
76 .vd_blank = vt_fb_blank,
77 .vd_bitblt_text = vt_fb_bitblt_text,
78 .vd_bitblt_bmp = vt_fb_bitblt_bitmap,
79 .vd_drawrect = vt_fb_drawrect,
80 .vd_setpixel = vt_fb_setpixel,
81 .vd_fb_ioctl = vt_fb_ioctl,
82 .vd_fb_mmap = vt_fb_mmap,
83 /* Better than VGA, but still generic driver. */
84 .vd_priority = VD_PRIORITY_GENERIC + 1,
85 };
86
87 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
88 static struct ps3fb_softc ps3fb_softc;
89
90 static int
ps3fb_probe(struct vt_device * vd)91 ps3fb_probe(struct vt_device *vd)
92 {
93 int disable;
94 char compatible[64];
95 phandle_t root;
96
97 disable = 0;
98 TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
99 if (disable != 0)
100 return (0);
101
102 TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
103 if (strcmp(compatible, "ps3") == 0)
104 return (CN_INTERNAL);
105
106 root = OF_finddevice("/");
107 if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
108 return (CN_DEAD);
109
110 if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
111 return (CN_DEAD);
112
113 return (CN_INTERNAL);
114 }
115
116 void
ps3fb_remap(void)117 ps3fb_remap(void)
118 {
119 struct ps3fb_softc *sc;
120 vm_offset_t va, fb_paddr;
121
122 sc = &ps3fb_softc;
123
124 lv1_gpu_close();
125 lv1_gpu_open(0);
126
127 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
128 0,0,0,0);
129 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
130 0,0,1,0);
131 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
132 0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
133 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
134 1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
135 lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
136 0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
137 lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
138 &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
139 &sc->sc_reports_size);
140
141 lv1_gpu_context_attribute(sc->sc_fbcontext,
142 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
143 lv1_gpu_context_attribute(sc->sc_fbcontext,
144 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
145
146 sc->fb_info.fb_pbase = fb_paddr;
147 for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
148 pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
149 VM_MEMATTR_WRITE_COMBINING);
150 sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
151 }
152
153 static int
ps3fb_init(struct vt_device * vd)154 ps3fb_init(struct vt_device *vd)
155 {
156 struct ps3fb_softc *sc;
157 char linux_video_mode[24];
158 int linux_video_mode_num = 0;
159
160 /* Init softc */
161 vd->vd_softc = sc = &ps3fb_softc;
162
163 sc->fb_info.fb_depth = 32;
164 sc->fb_info.fb_height = 1080;
165 sc->fb_info.fb_width = 1920;
166
167 /* See if the bootloader has passed a graphics mode to use */
168 bzero(linux_video_mode, sizeof(linux_video_mode));
169 TUNABLE_STR_FETCH("video", linux_video_mode, sizeof(linux_video_mode));
170 sscanf(linux_video_mode, "ps3fb:mode:%d", &linux_video_mode_num);
171
172 switch (linux_video_mode_num) {
173 case 1:
174 case 2:
175 sc->fb_info.fb_height = 480;
176 sc->fb_info.fb_width = 720;
177 break;
178 case 3:
179 case 8:
180 sc->fb_info.fb_height = 720;
181 sc->fb_info.fb_width = 1280;
182 break;
183 case 4:
184 case 5:
185 case 9:
186 case 10:
187 sc->fb_info.fb_height = 1080;
188 sc->fb_info.fb_width = 1920;
189 break;
190 case 6:
191 case 7:
192 sc->fb_info.fb_height = 576;
193 sc->fb_info.fb_width = 720;
194 break;
195 case 11:
196 sc->fb_info.fb_height = 768;
197 sc->fb_info.fb_width = 1024;
198 break;
199 case 12:
200 sc->fb_info.fb_height = 1024;
201 sc->fb_info.fb_width = 1280;
202 break;
203 case 13:
204 sc->fb_info.fb_height = 1200;
205 sc->fb_info.fb_width = 1920;
206 break;
207 }
208
209 /* Allow explicitly-specified values for us to override everything */
210 TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
211 TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
212
213 sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
214 sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
215 sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
216
217 /*
218 * Arbitrarily choose address for the framebuffer
219 */
220
221 sc->fb_info.fb_vbase = 0x10000000;
222 sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
223 sc->fb_info.fb_cmsize = 16;
224
225 /* 32-bit VGA palette */
226 vt_config_cons_colors(&sc->fb_info, COLOR_FORMAT_RGB,
227 255, 16, 255, 8, 255, 0);
228
229 /* Set correct graphics context */
230 lv1_gpu_context_attribute(sc->sc_fbcontext,
231 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
232 lv1_gpu_context_attribute(sc->sc_fbcontext,
233 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
234
235 vt_fb_init(vd);
236
237 return (CN_INTERNAL);
238 }
239